19506784

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{367}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 42287616

約数和(自身を除く): 22780832

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 151, 176, 302, 352, 367, 604, 734, 1208, 1468, 1661, 2416, 2936, 3322, 4037, 4832, 5872, 6644, 8074, 11744, 13288, 16148, 26576, 32296, 53152, 55417, 64592, 110834, 129184, 221668, 443336, 609587, 886672, 1219174, 1773344, 2438348, 4876696, 9753392, 19506784]

約数ペア:

[(1, 19506784), (2, 9753392), (4, 4876696), (8, 2438348), (11, 1773344), (16, 1219174), (22, 886672), (32, 609587), (44, 443336), (88, 221668), (151, 129184), (176, 110834), (302, 64592), (352, 55417), (367, 53152), (604, 32296), (734, 26576), (1208, 16148), (1468, 13288), (1661, 11744), (2416, 8074), (2936, 6644), (3322, 5872), (4037, 4832)]